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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 9 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kcc1 draw
6 Kcd1 draw
7 Kdc1 draw
8 Kdd1 draw
9 Ke1 draw
10 Ke2 draw
11 Ra8 draw
12 Rb7 draw
13 Rh8 draw
14 Kb3 loss in 2 half-moves
15 Kcc3 loss in 2 half-moves
16 Kcd3 loss in 2 half-moves
17 Kdc3 loss in 2 half-moves
18 Kdd3 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves